Stretch-To-Fit sizing is achieved by incorporating Spandex into the body of the sock to create a perfect fit every time

Double stitched heel and toe are made with Nylon for added strength and durability

You get big savings and you get to enjoy the high quality and comfort of Coolmax Cycling and Running socks with slightly irregular or discontinued Coolmax socks that do not affect the quality. And you get LongsCycle 100% Satisfaction Guarantee. You'll love these cycling and running socks!